package demo1;

interface A{
    void testA();
}

interface B{
    void testB();
}

interface AB extends A,B{
    void testC();

}
public class Test implements AB{

    @Override
    public void testA() {
        System.out.println();
    }

    @Override
    public void testB() {
        System.out.println();
    }

    @Override
    public void testC() {
        System.out.println( );
    }
}
